Environment Canada issued tornado and severe thunderstorm warnings for parts of northwestern Ontario on Sunday.

Parts of southern Ontario could get severe thunderstorms with a risk of a tornado on Thursday. While the heat warning ...

Any severe thunderstorms that form across northwestern Ontario could pack damaging winds, large hail, and heavy rainfall. One ...

Farther north, a cold front over far northwestern Ontario will force the development of several rounds of additional ...

Thursday is shaping up to be the most active day of the week for severe weather potential in Ontario and Quebec, with a ...

A strong supercell thunderstorm that crossed parts of southwestern Ontario on Saturday produced three separate tornadoes in ...

A tornado warning is in effect for the Espanola and Killarney areas.

Thursday expected to bring highest severe weather risk this week for Ontario and Quebec, including tornado potential ...

Severe storms swept across Ontario Thursday, cutting power to thousands and toppling trees and power lines. Officials are ...

Environment Canada issued a tornado warning for Sharbot Lake and area on the evening of Thursday, Jul. 24, 2025. “At 9:12 p.m ...

Strong thunderstorms are expected to develop in the early to mid-afternoon hours and continue through the evening across northeastern Ontario, moving southeast into cottage country. A warm front and ...

Summer in Ontario may bring with it warm weather, but last week's tornado in Lucan is a reminder that it’s also tornado ...